The couple showed off Mary Elizabeth’s growing bump at the ‘Horrible Bosses’ premiere in London on July 20. Great news!

More baby bumps are popping up in Hollywood! It’s Always Sunny in Philadelphia‘s Charlie Day and Mary Elizabeth Ellis, are expecting their first child together in December!

Charlie, 35, mentioned the news in an interview with the Los Angeles Times in early July, but a statement from the couple have yet to be released! Obviously though, she’s pregnant — look at that blossoming baby bump!